VAR-SOM-MX6 Debian Recovery SD card: Difference between revisions
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== Recover NAND flash/eMMC == | == Recover NAND flash/eMMC == | ||
[[VAR-SOM-MX6_Yocto_Krogoth_Build_Yocto_release#Boot_the_board_with_a_bootable_SD_card|Boot the board using the SD card]]. | |||
=== Flash from command line === | === Flash from command line === |
Revision as of 19:18, 6 May 2017
Variscite provides a recovery SD card image that can be used to install the pre-built Debian images into the internal storage device/s of the SOM.
Download the recovery SD card image
Download var-mx6-debian-recovery-sd.vXX.img.gz (latest) from Variscite's FTP server: ftp://customerv:Variscite1@ftp.variscite.com/VAR-SOM-MX6/Software/
Write the image to an SD card
Using a Linux based host
Plug-in the SD card to your Linux HOST PC, run dmesg and see which device is added (i.e. /dev/sdX or /dev/mmcblkX)
$ gunzip var-mx6-debian-recovery-sd.vXX.img.gz $ sudo umount /dev/sdX* $ sudo dd if=var-mx6-debian-recovery-sd.vXX.img of=/dev/sdX bs=1M (Replace /dev/sdX with your actual device)
Using a Windows based host
Download Win32 Disk Imager from: https://sourceforge.net/projects/win32diskimager/, install and run it.
Select the image file, and the SD card device - double check that the device is correct to avoid accidentally overwriting a different device.
Click on "Write".
No need to format the SD card before writing the image to it.
Recover NAND flash/eMMC
Boot the board using the SD card.
Flash from command line
- Login as root (no password)
- From Linux command line, type the following
$ debian_install.sh - Flash Debian into eMMC (Follow instructions)
SD card image file tree
/opt/images/ └── Debian ├── SPL.mmc ├── SPL.nand ├── imx6dl-var-som-cap.dtb ├── imx6dl-var-som-res.dtb ├── imx6dl-var-som-solo-cap.dtb ├── imx6dl-var-som-solo-res.dtb ├── imx6dl-var-som-solo-vsc.dtb ├── imx6dl-var-som-vsc.dtb ├── imx6q-var-dart.dtb ├── imx6q-var-som-cap.dtb ├── imx6q-var-som-res.dtb ├── imx6q-var-som-vsc.dtb ├── rootfs.tar.bz2 ├── u-boot.img.mmc ├── u-boot.img.nand └── uImage
The debian_install.sh script file is located at /usr/sbin/